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245780328 = 23319153617
BaseRepresentation
bin11101010011001…
…00111101101000
3122010110221020010
432221210331220
51000404432303
640215531520
76043045503
oct1651447550
9563427203
10245780328
11116811442
126a389ba0
133bbc5b61
14248dc13a
151689dc03
hexea64f68

245780328 has 32 divisors (see below), whose sum is σ = 617679360. Its totient is φ = 81496320.

The previous prime is 245780299. The next prime is 245780357. The reversal of 245780328 is 823087542.

It is an interprime number because it is at equal distance from previous prime (245780299) and next prime (245780357).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22225 + ... + 31392.

It is an arithmetic number, because the mean of its divisors is an integer number (19302480).

Almost surely, 2245780328 is an apocalyptic number.

It is an amenable number.

245780328 is an abundant number, since it is smaller than the sum of its proper divisors (371899032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245780328 is a wasteful number, since it uses less digits than its factorization.

245780328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53817 (or 53813 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 245780328 is about 15677.3826897222. The cubic root of 245780328 is about 626.3960923864.

The spelling of 245780328 in words is "two hundred forty-five million, seven hundred eighty thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 191 382 573 764 1146 1528 2292 4584 53617 107234 160851 214468 321702 428936 643404 1286808 10240847 20481694 30722541 40963388 61445082 81926776 122890164 245780328